Senior Enterprise Architect - IT/OT

Advanced Resource Managers Ltd; Aberdeen City; Hybrid; GBP 70,000 - 100,000; Part time

Job summary

Advanced Resource Managers Ltd is seeking a Senior Enterprise Architect - IT/OT for a 6-month contract based in Glasgow or Aberdeen with 1-2 days onsite. The role requires leading architecture across IT and OT, ensuring governance, and providing assurance across major programmes within the electricity/energy sector.

The candidate should have extensive EA and Solution Architecture experience, strong stakeholder engagement, and the ability to challenge senior stakeholders.

Qualifications

• Extensive senior-level Enterprise Architecture experience.
• Significant experience in Solution Architecture.
• Experience with OT and IT/OT architectures.
• Broad technical knowledge across modern tech landscapes.
• Experience providing architecture assurance and governance.
• Experience engaging with senior business and technology stakeholders.
• Strong understanding of architecture principles, standards, and roadmaps.
• Experience in large, complex organisations.
• Experience in asset-intensive environments.
• Ability to challenge senior stakeholders and suppliers credibly.

Responsibilities

• Provide senior Enterprise Architecture expertise across the Transmission portfolio.
• Work with Architecture Lead to shape and maintain the architectural direction.
• Develop strategies, target architectures, roadmaps and capability models.
• Provide architectural assurance across major projects, programmes and BAU.
• Review and challenge Solution Architecture from project teams and suppliers.
• Ensure solutions align with architectural principles and governance.
• Collaborate with project teams to understand business requirements and implications.
• Provide senior guidance on complex initiatives.
• Apply architecture input across IT and OT environments.
• Work with Group Architecture to align with governance and standards.
• Apply substantial Solution Architecture input when reviewing complex solutions.

Skills

Enterprise Architecture

Solution Architecture

IT/OT Architecture

Technical breadth

Architecture assurance

Stakeholder engagement

Architectural principles

Large-scale organisations

Asset-intensive environments

Independent work

Tools

Bizzdesign

Job description

Senior Enterprise Architect - IT/OT

6-Month contract - Inside IR35 - market rate

Glasgow or Aberdeen based - 1-2 days onsite

Electricity/Energy sector

Key Responsibilities

• Provide senior Enterprise Architecture expertise across the Transmission portfolio.
• Work closely with the Architecture Lead to develop and maintain the architectural direction for the function.
• Contribute to the development of strategies, target architectures, roadmaps, capability models and other key architecture artefacts.

Architecture Assurance

• Provide architectural assurance across major projects, programmes and BAU initiatives.
• Review and challenge Solution Architecture produced by project teams, delivery organisations and third-party suppliers.
• Ensure proposed solutions comply with agreed architectural principles, standards, patterns and guardrails.

Project & Programme Engagement

• Work directly with project and programme teams to understand business requirements and architectural implications.
• Provide senior architectural guidance on complex or strategically important initiatives.

IT & OT

• Provide architectural input across both IT and Operational Technology (OT) environments.
• Understand the particular architectural, operational and risk considerations associated with OT environments.
• Work across the IT/OT boundary to ensure appropriate integration and alignment.

Architecture Governance & Alignment

• Work closely with Group Architecture to ensure Transmission architecture activity aligns with Group processes, standards and governance mechanisms.
• Support the consistent application of architecture processes and standards across projects and programmes.

Solution Architecture

While the primary focus of the role is Enterprise Architecture and assurance, the successful candidate will also:

• Apply substantial Solution Architecture experience when reviewing and shaping complex solutions.
• Provide hands‑on architectural input where required for complex BAU or operational requirements.
• Support the Architecture Lead and wider team on particularly complex or strategically significant solution decisions.
• Act as a senior technical and architectural sounding board for other architects.

Experience & Skills

Essential

• Extensive senior-level Enterprise Architecture experience.
• Significant previous experience in Solution Architecture.
• Experience with Operational Technology (OT) and IT/OT architecture.
• A strong technical breadth and understanding of modern technology landscapes.
• Experience providing architecture assurance and governance across large-scale programmes and projects.
• Experience working with senior business, technology and delivery stakeholders.
• Strong understanding of architectural principles, standards, patterns, roadmaps, capability models and governance.
• Experience working in complex, large-scale organisations.
• Experience working in an asset-intensive environment.
• Ability to operate independently and provide credible architectural challenge to senior stakeholders and suppliers.

Highly Desirable

• Experience within the electricity industry, particularly transmission, distribution or generation.
• Wider energy or utilities sector experience.
• Experience working in other large-scale asset-based organisations.
• Experience working from an architecture function within major capital delivery programmes.
• Understanding of large infrastructure or asset investment environments.
• Experience working across domains such as capital projects, asset management, operations or customer.
• Experience with Bizzdesign or comparable Enterprise Architecture repositories.
• Experience working within a federated architecture model alongside a Group or enterprise architecture function.